Can internal fixation be used for ultrasonic therapy and shock wave therapy after fracture?

Bone nonunion is an unavoidable problem for every orthopedic surgeon. Because patients with nonunion usually need to be operated again or even many times, it brings great challenges to doctors and great mental and economic pressure to patients. In order to treat nonunion more effectively, clinical workers have made active and unremitting explorations and attempts. In this paper, the latest research progress of three important problems in the treatment of nonunion is reviewed and discussed for reference.